<template>
  <div class="update-name">
  <van-nav-bar 
  title="设置昵称" 
  left-text="取消" 
  right-text="完成" 
  @click-left="$emit('close')"
  @click-right="onConfirm"/>
  <div class="field-wrap">
    <van-field
      v-model="localName"
      rows="2"
      autosize
      type="textarea"
      maxlength="7"
      placeholder="请输入昵称"
      show-word-limit
    />
  </div>
</div>
</template>

<script>
import { updateUserprofile } from '@/api/user.js'
export default {
  name: 'UpdateName',
  data () {
    return {
      localName: this.value,
    }
  },
  props: {
    value: {
      type: String,
      required: true
    }
  },
  methods: {
    async onConfirm () {
      this.$toast.loading({
        message: '保存中...',
        forbidClick: true, // 禁止背景点击
        duration: 0 // 持续展示
      })
      try {
        const localName = this.localName
        if (!localName.length) {
          this.$toast('昵称不能为空')
          return
        }
        await updateUserprofile({
          name: localName
        })
        // 更新视图
        this.$emit('input', localName)
        // 关闭弹出层
        this.$emit('close')
        // 提示成功
        this.$toast.success('更新成功')
      } catch (error) {
        this.$toast.fail('更新失败')
      }
    }
  }
}
</script>

<style lang="less" scoped>
</style>
